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https://github.com/KhronosGroup/SPIRV-Tools
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2419f3be86
Adaps the transformations that add OpConstantUndef and OpConstantNull to a module so that pointer undefs are not allowed, and null pointers are only allowed if suitable capabilities are present. Fixes #4357.
56 lines
1.9 KiB
C++
56 lines
1.9 KiB
C++
// Copyright (c) 2019 Google LLC
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#ifndef SOURCE_FUZZ_TRANSFORMATION_ADD_GLOBAL_UNDEF_H_
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#define SOURCE_FUZZ_TRANSFORMATION_ADD_GLOBAL_UNDEF_H_
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#include "source/fuzz/protobufs/spirvfuzz_protobufs.h"
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#include "source/fuzz/transformation.h"
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#include "source/fuzz/transformation_context.h"
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#include "source/opt/ir_context.h"
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namespace spvtools {
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namespace fuzz {
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class TransformationAddGlobalUndef : public Transformation {
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public:
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explicit TransformationAddGlobalUndef(
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protobufs::TransformationAddGlobalUndef message);
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TransformationAddGlobalUndef(uint32_t fresh_id, uint32_t type_id);
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// - |message_.fresh_id| must be fresh
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// - |message_.type_id| must be the id of a non-function, non-pointer type
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bool IsApplicable(
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opt::IRContext* ir_context,
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const TransformationContext& transformation_context) const override;
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// Adds an OpUndef instruction to the module, with |message_.type_id| as its
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// type. The instruction has result id |message_.fresh_id|.
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void Apply(opt::IRContext* ir_context,
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TransformationContext* transformation_context) const override;
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std::unordered_set<uint32_t> GetFreshIds() const override;
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protobufs::Transformation ToMessage() const override;
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private:
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protobufs::TransformationAddGlobalUndef message_;
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};
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} // namespace fuzz
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} // namespace spvtools
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#endif // SOURCE_FUZZ_TRANSFORMATION_ADD_GLOBAL_UNDEF_H_
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